//
//  STUserAccount.swift
//  Demo-04-TabBarTest
//
//  Created by 苏统世 on 16/5/13.
//  Copyright © 2016年 SuTon. All rights reserved.
//

import UIKit
// 对象归档和解档
// 1.对象遵守NSCoding协议:知道对象要保存和解档哪些属性
// 2.调用归档和解档的方法
class STUserAccount: NSObject, NSCoding {

    /// 用户授权的唯一票据
    var access_token: String?
    /// 授权用户的UID
    var uid: String?
    /// 过期时间, 方便比较时间
    var expiresDate: NSDate?
    /// access_token的生命周期，单位是秒数, 基本数据类型不能使用?,KVC会找不到
    var expires_in: NSTimeInterval = 0 {
        didSet {
            // KVC给expires_in属性赋值完后,来创建expiresDate
            expiresDate = NSDate(timeIntervalSinceNow: expires_in)
        }
    }
    
    /// 用户昵称
    var screen_name: String?
    
    /// 用户头像地址（大图），180×180像素, urlString
    var avatar_large: String?
    
    
    
    // MARK: - KVC赋值
    init(dict: [String: AnyObject]) {
        super.init()
        setValuesForKeysWithDictionary(dict)
    }
    // setValue:forKey:在模型中找不到对应的属性
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
        STPrint(items: "forUndefinedKey: \(key)")
    }
    // MARK: - 重写解档归档函数
    /// 解档
    required init?(coder aDecoder: NSCoder) {
        access_token = aDecoder.decodeObjectForKey("access_token") as? String
        expires_in = aDecoder.decodeDoubleForKey("expires_in")
        uid = aDecoder.decodeObjectForKey("uid") as? String
        expiresDate = aDecoder.decodeObjectForKey("expiresDate") as? NSDate
        
        screen_name = aDecoder.decodeObjectForKey("screen_name") as? String
        avatar_large=aDecoder.decodeObjectForKey("avatar_large") as? String
    }
    /// 归档
    func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeDouble(expires_in, forKey: "expires_in")
        aCoder.encodeObject(uid, forKey: "uid")
        aCoder.encodeObject(expiresDate, forKey: "expiresDate")
        
        aCoder.encodeObject(screen_name, forKey: "screen_name")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
    }
    
}
